That is a rectangular solid.
It could be a rectangular cuboid prism
Rectangular prism.
what does a rim of a tea cup looks like
A triangle is a geometric shape.
A rectangluar prisim as a 3 dimensional shape but a rectangle as a 2 dimensional shape.
rectangle
A shoe box can be in the shape of a cuboid that has 6 faces, 12 edges and 8 vertices
It could be a rectangular cuboid prism
a rectangular prism, a cuboid
A rectangle.
A rectangular cuboid
a cube
cube
a rectangle
Rectangular prism
Rectangular prism.
A rectangle, but it is technically a rectangular prism.